''The “Hien” or Army Type 3 Fighter, was equipped with a liquid-cooled engine developed using the liquid-cooled engine from a certain country (Germany) as a reference.<br>Although under test conditions it was very promising, unfortunately, its lack of reliability prevented it from ever achieving the high potential of its abilities in action.
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''The “Hien” or Army Type 3 Fighter, was equipped with a liquid-cooled engine developed using the liquid-cooled engine from that country as a reference.<br>Although under test conditions it was very promising, unfortunately, its lack of reliability prevented it from ever achieving the high potential of its abilities in action.